Electronic device display or portion thereof with an animated graphical user interface



FIG. 1 is a first image of a display screen with animated graphical user interface;

FIG. 2 is a second image thereof; and,

FIG. 3 is a third image thereof.

The broken lines in FIGS. 1-3 that show an electronic device display or portion thereof, text, and graphical elements form no part of the claimed design.

The appearance of the animated graphical user interface transitions sequentially from FIGS. 1-3. The process or period in which one image transitions to another forms no part of the claimed design. 

CLAIM The ornamental design for an electronic device display or portion thereof with an animated graphical user interface, as shown and described. 